Desk



FIG. 1 is a top plan view of a desk, showing my new design;

FIG. 2 is a bottom plan view;

FIG. 3 is a front elevational view;

FIG. 4 is a rear elevational view;

FIG. 5 is a side elevational view, the opposite side being a mirror image thereof; and

FIG. 6 is a top perspective view thereof. 

The ornamental design for a desk, as shown and described. 